Re: [PATCH] Fix PR78228

2016-11-07 Thread Richard Biener
On Mon, 7 Nov 2016, Jakub Jelinek wrote: > On Mon, Nov 07, 2016 at 01:17:25PM +0100, Richard Biener wrote: > > > > The following fixes phiopt to not introduce undefined behavior > > in its abs replacement code in case we negate only positive values > > in the original code. > > > > Bootstrapped

Re: [PATCH] Fix PR78228

2016-11-07 Thread Jakub Jelinek
On Mon, Nov 07, 2016 at 01:17:25PM +0100, Richard Biener wrote: > > The following fixes phiopt to not introduce undefined behavior > in its abs replacement code in case we negate only positive values > in the original code. > > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk

[PATCH] Fix PR78228

2016-11-07 Thread Richard Biener
The following fixes phiopt to not introduce undefined behavior in its abs replacement code in case we negate only positive values in the original code. Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk. Richard. 2016-11-07 Richard Biener PR tree-optimization/7822